Chrome Extension to get RP pics

getpic.js

function showPic(){
    $("#studentImage").hide().html(getPic()).fadeIn(2000);
    $("#studentId").val("");
    $("#fullname").val("");
}

function getPic(){
    var idval = $("#studentId").val();
    var nameval = $("#fullname").val();
    url = '<img src="Directory of the schools site that pictures resides at' + idval + '-' + nameval + '.jpg"   onerror="notFound()"/>';
    return url;
}

function notFound(){
    errorMsg = '<span class="error">Image not found. Invalid student ID or student name.</span>';
    $("#studentImage").html(errorMsg);
}